31a0368935a0a7a357d1fb46c9c2905a57f2c8627f93273f5b93ae6368e28f8b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 16:17

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General

Target

virussign.com_d08810d07fe957283f54cf0564e0bb60.pdf
Size

493KB
MD5

d08810d07fe957283f54cf0564e0bb60
SHA1

2d84b5e35ade763f340253e506575f8b55df96b8
SHA256

31a0368935a0a7a357d1fb46c9c2905a57f2c8627f93273f5b93ae6368e28f8b
SHA512

84eedd297b1a6e7f52f25124d31c4c237ecdf542fd2522d09a193fa859683baf6bfe20fb734ffafc9745bc5af06b7eb1f3dade27618f171ba6f168685959d2de
SSDEEP

12288:k8CM1kNKrPWapb8xal11J1k26f7+vUfnAM4:oM1wPe1A7+sf14

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe
2852	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2300	2852	AcroRd32.exe	86
PID 2852 wrote to memory of 2300	2852	AcroRd32.exe	86
PID 2852 wrote to memory of 2300	2852	AcroRd32.exe	86
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 4844	2300	RdrCEF.exe	89
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90
PID 2300 wrote to memory of 2740	2300	RdrCEF.exe	90

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\virussign.com_d08810d07fe957283f54cf0564e0bb60.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=0945DB00FE85DAFE0E9255478B6E661F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4844
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=248C6D676C6E98908CE350170865C147 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=248C6D676C6E98908CE350170865C147 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2740
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=00DC7840FA98604BC55891AF70B4EC99 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4700
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=706DB949A6E266B32F46B6D63688A6C7 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3276
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=74049C7841AECBD93FFE6A17EDC09632 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=74049C7841AECBD93FFE6A17EDC09632 --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1036
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=BBF160D359F48ABF0F7AEF9159F7D7B9 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
a1d210d5a82a29627ccac323bd7c9550

SHA1
ec9f5159e2a79eadda06115ad47c6d4d2446d3a4

SHA256
c95c8ac3942cdeb6063fb8a32e283e707f776a17d2c29fe84e8e8f2d2f60422f

SHA512
0fd01e20e2dd63f6566a5efc0d10da12db3fec03023ba84d96d2a201ca78b4434bd7512b9cc2a55ac332efd876c92a26afb247d9dd5dc83cb3c7353f8e717259

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit